What was found
UPON GEAR UP SELECTION NOSE AND MAIN GEAR STAYED LOCKED DOWN DUE TO THE FACT THAT THE GEAR DOORS WOULD NOT OPEN. REMOVED AND REPLACED NR 1 MECHANICAL SEQUENCE VALVE IAW MM 32-10-41.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UPON GEAR UP SELECTION NOSE AND MAIN GEAR STAYED LOCKED DOWN DUE TO THE FACT THAT THE GEAR DOORS WOULD NOT OPEN. REMOVED AND REPLACED NR 1 MECHANICAL SEQUENCE VALVE IAW MM 32-10-41.